This concept has been used in this study, wherein, the fleshing, a solid waste (biopolymer) emanating from leather industry has been used as an adsorbent for removal of dyes from wastewater. Fleshing has been crosslinked with glutaraldehyde to stabilize it against degradation. The various parameters like effect of pH, role of salt concentration, adsorbent dosage, and initial concentration of dye have been standardized. About 90% dye removal has been achieved by treating 100 mg/L dye solution with 12 g/L of glutaraldehyde-crosslinked fleshing. The dye removal has been found to follow Langmuir type of adsorption isotherm. The optimized parameters of batch adsorption studies have been applied to
treat sectional wastewater from a commercial tannery. The study also explores selleck chemicals the possibility
of reusing the dye loaded fleshing as a reductant in the manufacture of a tanning salt, which is used in leather industry for tanning of leathers. Thus, a holistic find more solution to both solid and liquid waste has been presented in this work. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 120: 1397-1402, 2011″
“As little as 10 years ago, murine models of infectious disease were the host of choice for analyzing interactions between the pathogen and host during infection. However, not all pathogens can infect mice, nor do they always replicate the clinical syndromes observed in human infections. Furthermore, in the current economic environment, using mammalian models for large-scale screens may be less economically
feasible. The emergence of the zebrafish (Danio rerio) as an infectious disease host click here model, as well as a model for vertebrate immune system development, has provided new information and insights into pathogenesis that, in many instances, would not have been possible using a murine model host. In this article we highlight some of the key findings and the latest techniques along with the many advantages of using the zebrafish host model to gain new insights into pathogenic mechanisms in a live vertebrate host.”
“Crystallization kinetics of palm oil (PO) in the presence of different concentrations (2, 5, 10,30 and, 50% w/w) of palm-based diacylglycerol (PB-DAG) were investigated over different ranges of crystallization temperatures. Addition of 30 and 50% (w/w) of PB-DAG (high concentrations) increased significantly (P<0.05) the melting point and crystallization onset while addition of 2 and 5% PB-DAG did not have significant (P>0.05) effect. PO and PO blends with 2 and 5% of PB-DAG showed crystal transformation at crystallization temperatures (T-Cr) of 26, 26, 26.5 degrees C, respectively as reflected in corresponding changes of the Avrami parameters at below and above these TCr-. This was especially evident for the blends containing 2 and 5% of PB-DAG. Individual comparison of induction time (T-i). Avrami exponent (n).
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